2218046 has 8 divisors (see below), whose sum is σ = 3383640. Its totient is φ = 1090168.

The previous prime is 2218037. The next prime is 2218057. The reversal of 2218046 is 6408122.

2218046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9281 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (422955).

2^2218046 is an apocalyptic number.

2218046 is a deficient number, since it is larger than the sum of its proper divisors (1165594).

2218046 is a wasteful number, since it uses less digits than its factorization.

2218046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18858.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2218046 is about 1489.3105787578. The cubic root of 2218046 is about 130.4137899903.

The spelling of 2218046 in words is "two million, two hundred eighteen thousand, forty-six".